Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10149357 | Current control circuit for linear LED driver | — | 2018-12-04 |
| 9883554 | Commutation circuit for sequential linear LED drivers | — | 2018-01-30 |
| 9730280 | Ripple reduction circuit for sequential linear LED drivers | — | 2017-08-08 |
| 9675303 | Visualization systems, instruments and methods of using the same in spinal decompression procedures | Andy Wonyong Choi, Thomas R. Haley | 2017-06-13 |
| 9575497 | Current control circuit for linear LED driver | — | 2017-02-21 |
| 9265103 | Multiple stage sequential current regulator | Benedict C. K. Choy | 2016-02-16 |
| 9000674 | Multiple stage sequential current regulator | Benedict C. K. Choy | 2015-04-07 |
| 8686651 | Multiple stage sequential current regulator | Benedict C. K. Choy | 2014-04-01 |
| 7986178 | Pulse width modulation driver for electroactive lens | — | 2011-07-26 |
| 7922745 | Posterior dynamic stabilization of the spine | Hugh D. Hestad, Mike E. Lancial, John F. Otte, John J. Grabowski, Julie Osterberg | 2011-04-12 |
| 7813048 | Inductorless electroactive lens driver and system | Jimes Lei | 2010-10-12 |
| 7330364 | Device for converting high voltage alternating current (AC) to low voltage direct current (DC) and method therefor | — | 2008-02-12 |
| 6555967 | Low noise method and apparatus for driving electroluminescent panels | Jimes Lei, Roshanak Aflatouni | 2003-04-29 |